<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use fast\Tree;
/**
 * 产品分类管理
 *
 * @icon fa fa-circle-o
 */
class Categorys extends Backend
{
    
    /**
     * Categorys模型对象
     * @var \app\admin\model\Categorys
     */
    protected $model = null;

    public function _initialize()
    { 
        parent::_initialize();
        $this->model = new \app\admin\model\Categorys;
        // 变成树状结构   start
        $tree = Tree::instance();
        $tree->init(collection($this->model->order('weigh desc,id desc')->select())->toArray(), 'pid');
        $this->categorylist = $tree->getTreeList($tree->getTreeArray(0), 'name');
        $categorydata = [];
        foreach ($this->categorylist as $k => $v) {
            $categorydata[$v['id']] = $v;
        }
        $this->view->assign("parentList", $categorydata);
        // 变成树状结构   end
        $this->view->assign("statusList", $this->model->getStatusList());
    }
    
    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    

    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = false;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax())
        {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField'))
            {
                return $this->selectpage();
            }
            // list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            // $total = $this->model
                    
            //         ->where($where)
            //         ->order($sort, $order)
            //         ->count();

            // $list = $this->model
                    
            //         ->where($where)
            //         ->order($sort, $order)
            //         ->limit($offset, $limit)
            //         ->select();

            // foreach ($list as $row) {
            //     $row->visible(['id','name','pid','weigh','status','createtime','updatetime']);
                
            // }
            // $list = collection($list)->toArray();
            $list = [];
            foreach ($this->categorylist as $k => $v) {
                $list[] = $v;
            }
            $total = count($list);
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }
   /**
     * 编辑
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                if ($params['pid'] != $row['pid']) {
                    $childrenIds = Tree::instance()->init(collection(\app\admin\model\Categorys::select())->toArray())->getChildrenIds($row['id'], true);
                    if (in_array($params['pid'], $childrenIds)) {
                        $this->error(__('Can not change the parent to child or itself'));
                    }
                }

                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                        $row->validate($validate);
                    }
                    $result = $row->allowField(true)->save($params);
                    if ($result !== false) {
                        $this->success();
                    } else {
                        $this->error($row->getError());
                    }
                } catch (\think\exception\PDOException $e) {
                    $this->error($e->getMessage());
                } catch (\think\Exception $e) {
                    $this->error($e->getMessage());
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }
    /**
     * Selectpage搜索
     *
     * @internal
     */
    public function selectpage()
    {
        return parent::selectpage();
    }
}
